491211

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 875520

約数和(自身を除く): 384309

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 113, 161, 189, 207, 339, 483, 621, 791, 1017, 1449, 2373, 2599, 3051, 4347, 7119, 7797, 18193, 21357, 23391, 54579, 70173, 163737, 491211]

約数ペア:

[(1, 491211), (3, 163737), (7, 70173), (9, 54579), (21, 23391), (23, 21357), (27, 18193), (63, 7797), (69, 7119), (113, 4347), (161, 3051), (189, 2599), (207, 2373), (339, 1449), (483, 1017), (621, 791)]